#3B51EB

Color Details

HEX
#3B51EB
RGB
rgb(59, 81, 235)
HSL
hsl(233, 81%, 58%)
CMYK
cmyk(75%, 66%, 0%, 8%)
Best text on this color #FFFFFF (CR 5.89:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51eb
Contrast 3.56:1 Fail
White on #3b51eb
Contrast 5.89:1 AA
#3b51eb on Black
Contrast 3.56:1 Fail
#3b51eb on White
Contrast 5.89:1 AA

Tints & Shades

#6274ef
#8997f3
#b1b9f7
#2f41bc
#23318d
#18205e

Complement & Analogous

#ebd63d
#803deb
#3da8eb

Triadic

#eb3d51
#51eb3d

Monochrome

#18205e #23318d #3b51eb #8997f3 #b1b9f7 #d8dcfb

Analogous

#3da8eb #77c2f1 #3b51eb #9964ef #803deb #6631bc

Complementary Mix

#23318d #3b51eb #8997f3 #ebd63d #f2e481 #998b28

Nearby Colors

#3b51ea
#3b51ec
#3b51db
#3b51fb

Embed #3B51EB swatch

Embed this swatch

Use this HTML on your site (free with a link):

Open image

About #3B51EB

#3B51EB converts to RGB(59, 81, 235) and HSL(233, 81%, 58%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.

Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).

#3B51EB FAQs

What is the RGB value of #3B51EB?
RGB: 59, 81, 235. Copy as CSS: rgb(59, 81, 235)
Is #3B51EB a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51EB?
Complement: #ebd63d.
Does #3B51EB have good contrast on white or black?
On white: 5.89:1 (AA (normal text)). On black: 3.56:1 (AA (large text)).